group IIIB

created by whort
(idea) by whort (6.5 y) (print)   ?   (I like it!) Sat Nov 13 1999 at 10:15:00
The elements of the periodic table with an electron configuration of *s2-*d1 (...-9-2). These elements are (lightest to heaviest) Scandium, Yttrium, Lanthanum and Actinium.
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